Home / 19,209.72-26,509.06-10,826.22

Finding the Fourth Proportional to 19,209.72, 26,509.06 and 10,826.22

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Solution

The fourth proportional to 19,209.72, 26,509.06 and 10,826.22 is: 14,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.72 : 26,509.06 = 10,826.22 : x
  2. Step 2: Convert to fraction form
    19,209.72/26,509.06 = 10,826.22/x
  3. Step 3: Cross multiply
    19,209.72x = 26,509.06 × 10,826.22
  4. Step 4: Simplify right side
    19,209.72x = 286,992,915.55
  5. Step 5: Solve for x
    x = 286,992,915.55/19,209.72
  6. Step 6: Final answer
    x = 14,939.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.